FireWire 800 (9-pin) ↔ Molex 4-pin
Compatibility check and signal path analysis
Adapter Required
These connectors are not directly compatible. An adapter or converter cable is needed.
Signal Path
FireWire 800 (9-pin)
Family
Legacy Data
Form Factor
Rectangular symmetric
Pin Count
9
Reversible
No
Molex 4-pin
Family
Power
Form Factor
Rectangular nylon 4-pin
Pin Count
4
Reversible
No
Notes
FireWire 800 (9-pin) to Molex 4-pin: Power and legacy data connectors serve different purposes. The FireWire 800 (9-pin) (Legacy Data) and Molex 4-pin (Power) are from different connector families.